Inciting force; The event or character that triggers the conflict. or rising action.
The first answer is correct: "They suggest that the heat is stifling, giving the poem an oppressive mood".
The author begins the poem with the sentence cited above. The use of the expression "rend open" plus the use of the imperative mode, suggest some sort of desperation caused by the heat. That is why the author prays for wind (an unbeatable natural force) to come and defeat heat, ending the suffering.
Answer is :
Oaks are usually the tallest trees
Oaks are also more “conductive” because of their higher moisture content and attract lightening
The answer would be B. An object